new build: get rid of Go with few rc scripts.

sys/src/lib/jehanne/syscallc.rc.template

@@ -0,0 +1,60 @@
+/*
+ * This file is part of Jehanne.
+ *
+ * Copyright (C) 2022 Giacomo Tesio <giacomo@tesio.it>
+ *
+ * Jehanne is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 3 of the License.
+ *
+ * Jehanne is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Jehanne.  If not, see <http://www.gnu.org/licenses/>.
+ */
+/* automatically generated by syscallc.rc.template */
+
+#define PORTABLE_SYSCALLS
+#include <u.h>
+
+#! fn setClobbers {
+#!     if( ! ~ $"CLOBBERS *"memory" && ~ $1 *'*' && ! ~ $1 const*) {
+#!         CLOBBERS=$CLOBBERS', "memory"'
+#!     }
+#! }
+#! ifs='
+#! '
+#! CONFIGURATION=`{sed -n '/^$/!{/^#/!p}' $JEHANNE/sys/src/sysconf/syscalls.rc.confs}
+#! for (line in $CONFIGURATION){
+#!     eval $line
+#!     ID='$'$ID
+#!     CLOBBERS='"cc", "rcx", "r11"'
+#!     CALLARGS=$ARGS(1)^' a1'
+#!     setClobbers $ARGS(1)
+#!     if( ! ~ 1 $#ARGS){
+#!         for(idx in `{seq 2 $#ARGS}){
+#!             CALLARGS=$CALLARGS^', '^$ARGS($idx)^' a'^$idx
+#!             setClobbers $ARGS($idx)
+#!         }
+#!     }
+
+#pragma weak sys_$NAME
+$RET
+sys_$NAME^($CALLARGS)
+{
+	register $RET __ret asm ("rax");
+	__asm__ __volatile__ (
+		"movq %%rcx, %%r10" "\n\t"
+		"movq $ID, %%rax" "\n\t"
+		"syscall"
+		: "=r" (__ret)
+		: /* args are ready */
+		: $CLOBBERS
+	);
+	return __ret;
+}
+
+#! }